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  1. #1
    Terminal language and software

    Member Since
    Oct 01, 2012
    Posts
    2
    Terminal language and software
    Hello, so I tried downloading a program from MIT's Professor Drela's website called AVL, it tells me if my airplane design is stable or not. Any way here are the instructions that came with it...

    Instructions

    1. copy the avl file in the /usr/bin folder typing in the terminal the following command:

    sudo mv avl /usr/bin

    2. edit the .profile_bash by typing in the terminal:

    cd ~
    open .bash_profile

    and add the line

    export PATH=/usr/local/binPATH

    save&close

    3. to run the program with the plot options you must run it in the X11 by typing avl

    However, I just clicked and dragged the execution file to my bin folder and created a .bash_profile because I didnt have one and the 'export PATH' code didnt work. I keep getting the message:

    Last login: Mon Oct 1 14:18:51 on ttys000
    mobile-192-17-228-25:~ franciscogonzalez$ /usr/bin/avl ; exit;
    dyld: Library not loaded: /usr/local/lib/libg2c.0.dylib
    Referenced from: /usr/bin/avl
    Reason: image not found
    Trace/BPT trap: 5
    logout

    [Process completed]

    everytime i try to run it.

    WHAT DOES THIS MEAN??? AND HOW CAN I FIX IT??

    Thanks

  2. #2
    Terminal language and software
    vansmith's Avatar
    Member Since
    Oct 19, 2008
    Location
    Toronto
    Posts
    19,395
    Specs:
    2012 13" MBP (2.5 i5, 8GB)
    libg2c.0.dylib is not installed by default (at least not to /usr/local/lib/). libg2c appears to be part of GNU Fortran (see here) so I imagine that installing GNU Fortran would solve this problem which won't be easy. If the instructions really didn't outline that you needed this, they're incomplete. Where did you get these from?

    I've also noticed that it's asking you to add /usr/local/bin to your PATH which should be there anyway. You wouldn't need to do this anyway since you add the binary to /usr/bin/. Who wrote these instructions?
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  3. #3
    Terminal language and software

    Member Since
    Oct 01, 2012
    Posts
    2
    The instructions just came with the download. I emailed Professor Drela, and he said he didn't write the Mac version of his program. So really, I've hit a dead end.

  4. #4
    Terminal language and software
    vansmith's Avatar
    Member Since
    Oct 19, 2008
    Location
    Toronto
    Posts
    19,395
    Specs:
    2012 13" MBP (2.5 i5, 8GB)
    The application may very well work but it might take a bit of work to get going. If you can, I'd find a suitable replacement. Otherwise, prepare yourself to fight with the application to get it working.
    Important Links: Community Guidelines : Use the reputation system if you've been helped.
    M-F Blog :: Write for the blog
    Writing a Quality Post

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